package com.sunhao.gulimall.product.service.impl;

import com.sunhao.gulimall.product.entity.SkuImagesEntity;
import com.sunhao.gulimall.product.entity.SpuInfoDescEntity;
import com.sunhao.gulimall.product.entity.SpuInfoEntity;
import com.sunhao.gulimall.product.service.*;
import com.sunhao.gulimall.product.vo.SkuItemSaleAttrVo;
import com.sunhao.gulimall.product.vo.SkuItemVo;
import com.sunhao.gulimall.product.vo.SpuItemAttrGroupVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.sunhao.common.utils.PageUtils;
import com.sunhao.common.utils.Query;

import com.sunhao.gulimall.product.dao.SkuInfoDao;
import com.sunhao.gulimall.product.entity.SkuInfoEntity;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Autowired
    SkuImagesService imagesService;

    @Autowired
    SpuInfoDescService descService;

    //根据spu查出分组属性
    @Autowired
    AttrGroupService attrGroupService;

    @Autowired
    SkuSaleAttrValueService skuSaleAttrValueService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SkuInfoEntity> queryWrapper = new QueryWrapper<>();
        /**
         * key:
         * catelogId: 0
         * brandId: 0
         * min: 0
         * max: 0
         */
        String key = (String) params.get("key");
        if(!StringUtils.isEmpty(key)){
            queryWrapper.and((wrapper)->{
                wrapper.eq("sku_id",key).or().like("sku_name",key);
            });
        }

        String catelogId = (String) params.get("catelogId");
        if(!StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)){

            queryWrapper.eq("catalog_id",catelogId);
        }

        String brandId = (String) params.get("brandId");
        if(!StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(catelogId)){
            queryWrapper.eq("brand_id",brandId);
        }

        String min = (String) params.get("min");
        if(!StringUtils.isEmpty(min)){
            queryWrapper.ge("price",min);
        }

        String max = (String) params.get("max");

        if(!StringUtils.isEmpty(max)  ){
            try{
                BigDecimal bigDecimal = new BigDecimal(max);

                if(bigDecimal.compareTo(new BigDecimal("0"))==1){
                    queryWrapper.le("price",max);
                }
            }catch (Exception e){

            }

        }


        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                queryWrapper
        );

        return new PageUtils(page);
    }

    /**
     * 根据SpuId获取对应的所有Sku信息
     * @param spuId
     * @return
     */
    @Override
    public List<SkuInfoEntity> getSkuBySpuId(Long spuId) {
        List<SkuInfoEntity> list = this.list(new QueryWrapper<SkuInfoEntity>().eq("spu_id", spuId));
        return list;
    }

    /**
     * 根据SkuId获取商品信息
     * @param skuId
     * @return
     */
    @Override
    public SkuItemVo item(Long skuId) {
        SkuItemVo skuItemVo = new SkuItemVo();

        //1.sku基本信息 pms_sku_info
        SkuInfoEntity info = getById(skuId);
        skuItemVo.setInfo(info);
        Long spuId = info.getSpuId();
        Long catalogId = info.getCatalogId();

        //2.sku图片信息 pms_sku_images
        List<SkuImagesEntity> images = imagesService.getImagesBySkuId(skuId);
        skuItemVo.setImages(images);


        //3.spu销售属性组合
        List<SkuItemSaleAttrVo> saleAttrVos = skuSaleAttrValueService.getSaleAttrsBySpuId(spuId);
        skuItemVo.setSaleAttr(saleAttrVos);

        //4.spu介绍 pms_spu_info_desc

        SpuInfoDescEntity desc = descService.getById(spuId);
        skuItemVo.setDesc(desc);


        //5.spu规格参数信息

        List<SpuItemAttrGroupVo> groupAttrs = attrGroupService.getAttrGroupWithAttrsBySpuId(spuId,catalogId);
        skuItemVo.setGroupAttrs(groupAttrs);

        return null;
    }

}